Wristwatch case



FIG. 1 is a front elevation of a wristwatch case showing my new design;

FIG. 2 is a rear elevation thereof;

FIG. 3 is a front elevation thereof showing a partially rotated watch case portion;

FIG. 4 is a front view thereof showing a fully rotated watch case portion;

FIG. 5 is a right side perspective view of FIG. 1;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a top view thereof; and,

FIG. 9 is a bottom view thereof. 

The ornamental design for a wristwatch case, as shown and described. 